.container, body{
  background: #f1f1f1;
  padding: 8px;
  font: 14px/1.5 "Helvetica Neue",Helvetica,Arial,"Microsoft Yahei","Hiragino Sans GB","Heiti SC","WenQuanYi Micro Hei",sans-serif;
}
h2:first-of-type {
    margin-top: 0;
}
h2 {
    font-weight: 600;
    font-size: 15px;
    line-height: 31px;
    margin-top: 10px;
}
.span{
  font-size: 13px;
  line-height: 24px;
  text-indent: 26px;
}
h4 {
    font-size: 13px;
    line-height: 31px;
}
.div_frame{
  position: relative;
  height: 72px;
  width: 100vw;
  background-color: #f0f0f0;
}
.div_frame .add_rules_button{
  position: absolute;
  width: 90vw;
  padding: 10px 0 10px;
  left: 0;
  background-color: #A46EFA;
  color: #fff;
  border-radius: 7px;
  margin: 15px 5vw 0 0;
  text-align: center;
}
